Dell Dimension E521 - Manual (Page 37)

Solving Problems
37
Keyboard Problems
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the Product
Information Guide.
A REQUIRED . D L L FILE WAS NOT FOUND — The program that you are trying to open is missing an
essential file. To remove and then reinstall the program:
1 Click the Start button, click Control Panel, and then click Add or Remove Programs.
2 Select the program you want to remove.
3 Click the Change or Remove Program icon.
4 See the program documentation for installation instructions.
A LERT ! A IR TEMPERATURE SENSOR NOT DETECTED — For any computer type except the ultra small
form-factor computer, ensure that all cables are securely fastened to the I/O panel and to the system
board and reboot your computer. If this does not resolve the problem or if you have an ultra small
form-factor computer, contact Dell (see "Contacting Dell" on page 122).
drive letter :\ IS NOT ACCESSIBLE . T HE DEVICE IS NOT READY — The drive cannot read the disk.
Insert a disk into the drive and try again.
I NSERT BOOTABLE MEDIA — Insert a bootable floppy disk or CD.
N ON - SYSTEM DISK ERROR — Remove the floppy disk from the drive and restart your computer.
N OT ENOUGH MEMORY OR RESOURCES . C LOSE SOME PROGRAMS AND TRY AGAIN — Close all
windows and open the program that you want to use. In some cases, you might have to restart your
computer to restore computer resources. If so, run the program that you want to use first.
O PERATING SYSTEM NOT FOUND — Contact Dell (see "Contacting Dell" on page 122).
C HECK THE KEYBOARD CABLE —
• Ensure that the keyboard cable is firmly connected to the computer.
• Shut down the computer (see "Turning Off Your Computer" on page 61), reconnect the keyboard cable
as shown on the setup diagram for your computer, and then restart the computer.
• Check the cable connector for bent or broken pins and for damaged or frayed cables. Straighten bent pins.
• Remove keyboard extension cables and connect the keyboard directly to the computer.
book.book Page 37 Monday, July 23, 2007 3:47 PM